Firearm barrel



FIG. 1 is a perspective view of a firearm barrel showing our new design;

FIG. 2 is an alternate perspective view of the firearm barrel of FIG. 1;

FIG. 3 is an elevational view of a breech end of the firearm barrel of FIG. 1;

FIG. 4 is an elevational view of a muzzle end of the firearm barrel of FIG. 1;

FIG. 5 is a side elevational view of the firearm barrel of FIG. 1 (the opposite side elevational view being a mirror image thereof;

FIG. 6 is a top view of the firearm barrel of FIG. 1; and,

FIG. 7 is a bottom view of the firearm barrel of FIG. 1.

The various tones of gray shading on the surface portions indicate contour and not surface decoration. 

The ornamental design for a firearm barrel, as shown and described. 